Element block pseudo-element :before generated with transition height auto border-radius z-index auto transform position static display inline-block border 0px rgba(0,0,0,1) solid width 50% font-size 16px margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) float left line-height 1 cursor default font-weight normal background overflow hidden box-sizing border-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 12px